Yes plywood can be used under a box spring.
Can you put a foam mattress on a box spring.
If you do not want to throw out your box spring just yet adding a few layers of plywood will make your box spring firmer.
Make certain your box spring is in excellent shape with no broken slats.
You will definitely need a strong support if your mattress is foam or latex.
Kings are even heavier.
This is because memory foam mattresses are naturally heavy.
Technically all you need is a hard flat surface to set most modern mattresses on.
Most box springs sit on a metal bed frame.
And i ve found that as long as the box spring or foundation is firm and supportive and doesn t have much give these can work well with a memory foam mattress.
As can a slatted bed or slatted platform as long as the slats are sufficient to support the bed.
If you don t have slats or a platform style frame you ll probably need to add a foundation to make sure your mattress isn t sagging or unevenly supported.
The metal frame can properly distribute your body weight the weight of the mattress but only when placed on top of a box spring.
A good queen memory foam mattress will approach 100 pounds.
Memory foam mattresses require a box spring if you use a metal bed frame.
However your mattress s warranty may require the use of a box spring or platform bed so be sure to verify these details in advance.
Some other mattress companies like nectar suggest that you actually can use your existing box spring to support a foam mattress as long as it is supported by a metal bed frame like this.
This could be an adjustable base platform bed box spring or even a hardwood floor.
Placing a memory foam mattress on a box spring before you put the mattress on the box spring make sure that the box spring is in good shape with no slats which are broken.
Otherwise you might risk voiding coverage.
The good news is you can definitely use your box spring under your memory foam mattress.
Typically this means slats of a few inches in width and an inch or two apart.
At leesa we have a foam mattress and a hybrid mattress option we do not recommend putting them on a box spring.
The reason is because memory foam mattresses are heavy.